Upper heat grill



FIG. 1 is a top view of a upper heat grill showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is is a front view thereof; and,

FIG. 4 is is perspective view thereof.

The broken lines in the drawings are included for the purpose of illustrating portions of the upper heat grill that form no part of the claimed design. 

CLAIM The ornamental design for an upper heat grill, as shown and described. 